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Proteins

Proteins are large biological molecules, or macromolecules, consisting of one or more chains of amino acid residues. Proteins perform a vast array of functions within living organisms, including catalyzing metabolic reactions, replicating DNA, responding to stimuli, and transporting molecules from one location to another. Proteins differ from one another primarily in their sequence of amino acids, which is dictated by the nucleotide sequence of their genes, and which usually results in folding of the protein into a specific three-dimensional structure that determines its activity. Tags for this page: Proteins, Buy Proteins Online, Find Proteins, Enzymes, Fluorescent Proteins, Peptides, Protein Characterization, Protein Detection, Protein Modification, Purification and Extraction